BRFSS Week 1 Assignment
This week you will be starting the process of data analysis for your Final Project. The specific aim for the analysis will be to assess the association of BMI and sugar-sweetened beverage consumption using the Behavioral Risk Factor Surveillance System (BRFSS) 2016 data for the state of New York.
Submit for Week 1:
(1) A Stata DO file with all commands run up through saving the restricted New York dataset
(2) A Word document that includes
- Screenshot of your project folder with the documentation files above as well as your data files (both the original downloaded SAS XPORT file and the restricted New York dataset you will create).
- Screenshots showing the updated number of observations restricted to New York only using the tabulate command. All three of these images can be pasted into the Word document.
- At the top of the Word document, write the number of observations your dataset contains after restricting to the state of New York. The format should be: “Restricted to New York residents, N=XXX”
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The practice of epidemiology involves scientific review of new information, synthesis, and presentation of data to others. Importantly, it also involves data analysis. Many epidemiological researchers’ whole careers are founded on analysis of secondary datasets such as the BRFSS data you’ll work with in this class. The data analysis assignments are intended to provide you with the chance to apply the information and skills you are learning in the class to a real analysis situation. Through the instructions in weekly assignments, you will progress through the entire process of performing a data analysis project, from selection of variables, to data cleaning, to regression modeling, to presentation of the data.
First, attribution! The inspiration for this assignment came from Ken Chui’s class in Intermediate Regression at the Tufts School of Public Health.
This assignment and your other weekly data analysis assignments require you to import data files into your computer. Use this guide if you need help Importing Files for a Mac or PC.
To start the assignment, download the following files from this page and save in a project folder on your computer: https://www.cdc.gov/brfss/annual_data/annual_2016.html
● 2016 BRFSS Overview
● 2016 BRFSS Codebook
● Calculated Variables in Data Files
● 2016 Weighting Formula
● 2016 BRFSS Data (SAS Transport Format)
Unzip the data file and extract into the same folder or a subfolder. Import the data into Stata by using the point-and-click method from your file menu.
File > Import > SAS XPORT > Browse for your file > Open
(Make sure you’ve selected file type “all files *.*” not just “Stata files”)
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